Quality - Premium Potting Soil with Mycorrhizae Indoor / Outdoor - 16 Dry Quarts - FREE SHIPPING! Abundantly Rich in Natural Materials - with Compost, Worm Castings, Mycorrhizae, Bat Guano, and Feather Meal. Ideal premium planting medium for all your indoor and outdoor planting needs, Premium Potting Soil provides stellar growing results. Premium Potting Soil is perfect for use in containers, planters, hanging baskets, and garden beds on patios, balconies, decks, and in windowsills. Ingredients: Compost, Pumice, Sphagnum Peat Moss, Coco Coir, Worm Castings, Bat Guano and Feather Meal Excellent All-In-One Mix